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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    International journal of biometeorology 26 (1982), S. 115-120 
    ISSN: 1432-1254
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Notes: Abstract A 10-year meteorologic data have been collated to enable delienation of the environmental profile of the Nigerian Guinea Savanna zone. Three distinct seasons are defined: a hot-dry season which lasts from March to April; a hot-humid season (May to October); and the harmattan season (November to February). The effects of these seasons on milk production by half and three-quarter Friesian-Zebu crosses were evaluated during the first 100 days of lactation over a 2-year period. There were no significant differences in milk yield between the genotypes, but at heat intensities above 27
    Type of Medium: Electronic Resource
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